package com.smh.multipeType;

/**
 * @description: 子类，也是C的父类
 * @author: shenmhk
 * @create: 2020-10-23 15:01
 */
public class B extends A {
    public String show(B obj){
        return "B and B";
    }
    public String show(A obj){
        return "B and A";
    }
}
